/*! \file
* \brief TODO.
*
* TODO.
*
* Copyright (c) 2005-2007 Philipp Henkel
*
* Use, modification, and distribution are  subject to the
* Boost Software License, Version 1.0. (See accompanying  file
* LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
*
* http://threadpool.sourceforge.net
*
*/


#ifndef THREADPOOL_DETAIL_SCOPE_GUARD_HPP_INCLUDED
#define THREADPOOL_DETAIL_SCOPE_GUARD_HPP_INCLUDED



#include <boost/function.hpp>


namespace boost
{
    namespace threadpool
    {
        namespace detail
        {

// TODO documentation
            class scope_guard
                        : private boost::noncopyable
            {
                function0<void> const m_function;
                bool                  m_is_active;

            public:
                scope_guard(function0<void> const & call_on_exit)
                        : m_function(call_on_exit)
                        , m_is_active(true)
                {
                }

                ~scope_guard()
                {
                    if (m_is_active && m_function)
                    {
                        m_function();
                    }
                }

                void disable()
                {
                    m_is_active = false;
                }
            };






        }
    }
} // namespace boost::threadpool::detail

#endif // THREADPOOL_DETAIL_SCOPE_GUARD_HPP_INCLUDED


